Holster trigger guard locking device



FIG. 1 is a top, right side and rear perspective view of a holster trigger guard locking device, according to my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front end elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a rear end elevational view thereof. 

CLAIM The ornamental design for a holster trigger guard locking device, as shown and described. 